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            <title>[SERVER-32721] Explain output should indicate when a backup plan is used</title>
                <link>https://jira.mongodb.org/browse/SERVER-32721</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;During the investigation of a slow query, the query planner used different plans when running &lt;tt&gt;explain: &quot;queryPlanner&quot;&lt;/tt&gt; vs. &lt;tt&gt;explain: &quot;executionStats&quot;&lt;/tt&gt;.  The reason that this happened is because the original winning plan ran out of memory in the &lt;tt&gt;&quot;executionStats&quot;&lt;/tt&gt; mode, and so the planner fell back to the backup plan. It would be helpful if the explain output included some indication when this happens.&lt;/p&gt;</description>
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        <key id="483475">SERVER-32721</key>
            <summary>Explain output should indicate when a backup plan is used</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-execution">Backlog - Query Execution</assignee>
                                    <reporter username="nicholas.zolnierz@mongodb.com">Nicholas Zolnierz</reporter>
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                <created>Tue, 16 Jan 2018 18:12:06 +0000</created>
                <updated>Tue, 6 Dec 2022 03:41:26 +0000</updated>
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